WITH DRINK as (SELECT 
SUM(CASE WHEN CATEGORY_CODE = '110' THEN AMT ELSE 0 END) AS TOTAL_NUM,
SUM(CASE WHEN CATEGORY_CODE = '120' THEN AMT ELSE 0 END) AS DRINK_NUM,
PF_CODE
FROM DRINK_HABITS
WHERE GENDER_CODE = '2' OR GENDER_CODE = '3'
GROUP BY PF_CODE)

SELECT PF.PF_CODE AS CODE,
PF_NAME AS NAME,
ROUND((CAST(DRINK_NUM AS REAL) / CAST(TOTAL_NUM AS REAL)) * 100, 1) as PERCENTAGE
FROM DRINK
JOIN PREFECTURE AS PF
ON DRINK.PF_CODE = PF.PF_CODE
ORDER BY PERCENTAGE DESC